IV] 



THE LARVA OR NYMPH 



95 



Metamorphosis (fig. 43). 



The emergence of the imago from the larval skin or exuviae, 

 usually spoken of as the "metamorphosis," is in point of fact 

 only the consummation of an internal metamorphosis which begins 



F. 



Fig. 43. Metamorphosis of Petalura gigantea Leach. A. 5.42 a.m. B. 5.50 a.m. 

 c. 6 a.m. D. 6.12 a.m. E. 6.18 a m. F. 6.30 a.m. G. 6.45. (Natural size.) 

 Original, drawn from sketches and notes in the field. 



